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Smog Check & Emissions Questions and Answers

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Failed Smog Test
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  Question Answered
  1987 Plymouth voyager, Fixed all other codes with new parts. New o2 sensor, new air charge sensor, speed sensor, new gas cap. However get code 12 that can not seem to clear. Any thoughts of what to do next?
by Wilson    06-27-2022 11:45 AM
No
  Mini Cooper DMV Registration Due in 5 Day Won't Pass Smog
by anne    10-06-2021 02:32 PM
Yes (1)
  2001 Jeep Grand Cherokee Laredo with K&N Air Filter
by David    09-30-2021 11:34 AM
Yes (1)
  1995 BMW M3 Gross Polluter High HC & NO @ 15MPH
by Jared    09-27-2021 08:56 AM
Yes (1)
  Missing Emission Sticker Caused Smog Check Failure?
by Michael    09-24-2021 04:05 AM
Yes (1)
  2005 Chevy Tahoe EVAP Monitor Won't Reset After Parts Replaced
by Efrain    09-20-2021 08:49 AM
Yes (1)
  2002 Toyota MR2 Spyder Fails Due To Incomplete Emission Monitors
by Enid    09-17-2021 02:22 PM
Yes (1)
  How To Complete a Nissan 370z Drive Cycle?
by Jeremy    02-29-2020 08:12 PM
Yes (1)
  KIA Sportage 2005 HRT Not Clearing
by Sheila    02-23-2020 01:00 PM
Yes (1)
  Dodge Ram 2500 Diesel Monitors Not Ready
by AT    02-10-2020 01:56 PM
Yes (1)
  How To Perform a Mercury Villager Drive Cycle?
by Nathan    01-29-2020 05:00 PM
Yes (1)
  How To Get BMW 325i Emission Monitors Ready
by Andrew    11-13-2019 11:56 PM
Yes (1)
  How To Make Monitors on Mercedes C63 AMG Ready
by Wesley    10-13-2019 07:26 AM
Yes (1)
  Failed Smog Check Due To Missing Emissions Sticker
by Walter    06-11-2019 05:06 PM
Yes (1)
  Mercedes E300TD Drive Cycle for Incomplete Monitors
by Jasbir    06-04-2019 01:55 AM
Yes (1)
  Honda Civic SI CAT and EVAP Not Ready
by Dallas    06-01-2019 10:11 AM
Yes (1)
  What is the Drive Cycle for a BMW M6?
by Rob    05-16-2019 10:27 PM
Yes (1)
  I Need the Drive Cycle for a BMW Z4
by Geoffrey    05-06-2019 05:54 PM
Yes (1)
  Hyundai Sonata Check Engine Light Needs To Be Replaced
by Michelle    04-09-2019 02:07 PM
Yes (1)
  What Causes Blue Exhaust Smoke and How To Fix It
by Nicole    04-04-2019 04:31 PM
Yes (1)